Sputum collector



FIG. 1 is a side elevational view of a sputum collector, showing our newdesign, in which the opposite side is identical to that shown.

FIG. 2 is an elevational end view of a side of the sputum collector 90°from the side shown in FIG. 1 in which the opposite side is identical tothat shown;

FIG. 3 is a top plan view of the sputum collector; and

FIG. 4 is a bottom plan view of the sputum collector.

The ornamental design for a sputum collector, as shown and described.